Apple updates malware definitions to address PDF trojan

By Richard Mallion

Apple has updated its malwaredefinitions to address a PDF trojan that gained widespread attention last week. While reports indicated that the trojan’s damage was limited to installing a backdoor in users’ systems, Apple has moved quickly to counter the threat, updating its malware definitions for Snow Leopard and Lion systems to allow them to recognize the trojan. Your Mac’s malware definitions should update automatically.

You can easily check when your definitions where last updated by checking the contents of this file:

/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.meta.plist

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